The Sony intelligent feedback reducer can suppress unwanted feedback (howling) with high-performance DSP and Sony's unique algorithms designed to eliminate feedback before it becomes unbearable.

This DWZ Series 2.4 GHz digital wireless headset & lavalier set provides the convenience of untethered body pack transmitter use with a wired level of audio performance. The package includes a ZTX-B02RC body pack transmitter, including both cardioid condenser headset (ECM-HZ1UBMP) headset and cardioid condenser (ECM-LZ1UBMP) lavaier microphones along with a ZRX-HR70 half rack size receiver.